Annotation of /trunk/src/lib/cl-target/clinfo.h

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1 :	jhr	1671	/*! \file clinfo.h
2 :			*
3 :			* \author John Reppy
4 :			*/
5 :
6 :			/*
7 :			* COPYRIGHT (c) 2011 The Diderot Project (http://diderot-language.cs.uchicago.edu)
8 :			* All rights reserved.
9 :			*/
10 :
11 :			#ifndef _CLINFO_H_
12 :			#define _CLINFO_H_
13 :
14 :			#include "Diderot/diderot.h"
15 :			# ifdef HAVE_CL_CL_H
16 :			# include <CL/cl.h>
17 :			# elif defined(HAVE_OPENCL_CL_H)
18 :			# include <OpenCL/cl.h>
19 :			# else
20 :			# error no cl.h
21 :			# endif
22 :
23 :			typedef struct {
24 :			char *name; //!< name of device
25 :			char *vendor; //!< device vendor
26 :			int majorVersion; //!< major OpenCL version number supported by the device
27 :			int minorVersion; //!< minor OpenCL version number supported by the device
28 :			cl_device_id id; //!< the device ID
29 :			cl_device_type ty; //!< the type of the device
30 :			cl_bool isAvail; //!< true, if the device is available
31 :			cl_uint addrBits; //!< number of address bits on device (32 or 64)
32 :			cl_bool littleEndian; //!< true if device is little endian
33 :			cl_uint numCUs; //!< number of compute units
34 :			cl_uint cuWidth; //!< width of a compute unit; this value is determined
35 :			//! by looking at the device type and vendor string.
36 :			cl_uint maxConstArgs; //!< maximum number of __constant arguments
37 :			cl_uint maxWIDims; //!< maximum number of work item dimensions
38 :			size_t maxWGSize; //!< maximum workgroup size
39 :			size_t *maxWISize; //!< maximum number of work items in each dimension
40 :			cl_ulong globalMemSzb; //!< the size of the device's global memory
41 :			cl_ulong localMemSzb; //!< the size of the device's local memory
42 :			size_t maxParamSzb; //!< the maximum size in bytes of the kernel arguments
43 :			cl_ulong maxConstBufSzb; //!< maximum size of a constant buffer
44 :			cl_ulong maxAllocSzb; //!< maximum allocation size in bytes
45 :			size_t maxImg2D[2]; //!< maximum width and height of 2D images
46 :			size_t maxImg3D[3]; //!< maximim width, height, and depthe of 3D images
47 :			// prefered vector widths by type:
48 :			cl_uint charWid; //!< prefered width of char vectors
49 :			cl_uint shortWid; //!< prefered width of short vectors
50 :			cl_uint intWid; //!< prefered width of int vectors
51 :			cl_uint longWid; //!< prefered width of long vectors
52 :			cl_uint floatWid; //!< prefered width of float vectors
53 :			cl_uint doubleWid; //!< prefered width of double vectors
54 :			//! (0 if doubles are not supported)
55 :			} DeviceInfo_t;
56 :
57 :			typedef struct {
58 :			char *name; //!< name of platform
59 :			cl_platform_id id; //! the platform ID
60 :			int numDevices; //!< number of devices supported by platform
61 :			DeviceInfo_t *devices; //!< array of devices
62 :			} PlatformInfo_t;
63 :
64 :			typedef struct {
65 :			int numPlatforms; //!< number of platforms supported by system
66 :			PlatformInfo_t *platforms; //!< array of supported platforms.
67 :			} CLInfo_t;
68 :
69 :			/*! \brief return information about the OpenCL support of the system.
70 :			* \return pointer to a CLInfo_t structure or 0 if there is an error.
71 :			*/
72 :			CLInfo_t *GetCLInfo ();
73 :
74 :			/*! \brief print the CL profile information to an output stream.
75 :			*/
76 :			void PrintCLInfo (FILE *outS, CLInfo_t *clinfo);
77 :
78 :			/*! \brief check to see if a device is a GPU */
79 :			STATIC_INLINE bool isGPUDevice (DeviceInfo_t *dev)
80 :			{
81 :			return ((dev->ty & CL_DEVICE_TYPE_GPU) != 0);
82 :			}
83 :
84 :			/*! \brief check to see if a device is a CPU */
85 :			STATIC_INLINE bool isCPUDevice (DeviceInfo_t *dev)
86 :			{
87 :			return ((dev->ty & CL_DEVICE_TYPE_CPU) != 0);
88 :			}
89 :
90 :			#endif /* !_CLINFO_H_ */

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